One or more unwanted ionic pollutants are eliminated from water using the ion exchange technique by exchanging them with a less disagreeable or non-objectionable ionic material.
The engineers of ion exchange products need to know which items are soluble so that the the pollutant can be extracted from the water by dissolving the ionic pollutant in a suitable solvent or exchange product. In order to identify the solvent, the engineer must be aware of the physical and chemical properties of the pollutant.
The exchanged material and the contaminant both need to be dissolved and have the same kind of electrical charge (positive or negative). A common instance of ion exchange is the "water softening" procedure, which lowers the amount of calcium and magnesium in the water.
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The urban Poor enjoy better access to quality education than the rural counterparts. Another reason is, rural poverty is temporary as the rural poor can migrate to urban areas to seek employment but, on the other hand, urban poverty is permanent.
Answer: Math, science and foreign language
Explanation:
The achievement test is one of the type of testing the different types of test score and also measure the intellectual competence.
The main charactertics of the achievement is that it test the reliability and the accuracy according to the different courses or subject such as science, math and the different foreign languages.
According to the given question, the three subjects such as math, science and the foreign language explained the achievement of the test score.
Answer:
That whenever any form of Government becomes destructive of these ends, it is the right of the People to alter or to abolish it, and to institute new Government, laying its foundation on such principles, and organizing its powers in such form, as to them shall seem most likely to effect their Safety and Happiness.
Explanation:
<span>19.5 percent of nuclear electricity is generated in the us </span>